mental health, psychoanalysis, PsychosisDarian Leader on Psychosis at Lambeth & Southwark Mind Anuual Lecture August 12, 2026 / mental health, psychoanalysis, Psychosis / Darian Leader, mental health, psychoanalysis, psychosis, Public Lecture, talking treatment Darian Leader, mental health, psychoanalysis, psychosis, Public Lecture, talking treatment